High energy-saving residual-heat exchanger

Application Number: 00107168Application Date: 2000.04.29Publication Number: 1321850Publication Date: 2001.11.14Priority Information: International: F22D1/04Applicant(s) Name: Jiang YiAddress: Inventor(s) Name: Jiang YiPatent Agency Code: 33101Patent Agent: han xiaoyanAbstract The high energy-saving waste-heat exchange equipment is characterized by that it includes a board body, its lower end is equipped with lower cover and its upper end is equipped with upper cover, an inverted circular truncated cone shaped lower enclosure is connected between lower cover and boiler flange, and between upper cover and flue flange a circular truncated cone shaped upper enclosure is connected, between upper cover and lower cover several helical flue pipe are fixedly connected, over the lower cover a cold water distributor with densely arranged small holes is set, these helical flue pipe are passed through said cold water distributor and sealed fixedly-connected with it. Said invention features reasonable structure, high heat exchange efficiency, can save lots of fuel and safe and convenient for blowdown and cleaning ash.